Run results for: Css vs javascript add class

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
java	1278001.6 Ops/sec
css	1619798.2 Ops/sec

HTML Preparation code:

.mystyle {	
  color: red;
}
<div id="myDIV">
I am a DIV element
</div>

Tests: